[clang] [lldb] [llvm] [BOLT] Hash-based function matching (PR #95821)

[LLVM Continuous Integration via cfe-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `bolt-x86_64-ubuntu-shared` running on `bolt-worker` while building `bolt` at step 5 "build-bolt".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/151/builds/367

Here is the relevant piece of the build log for the reference:
```
Step 5 (build-bolt) failure: build (failure)
...
1.012 [10/6/12] Linking CXX shared library lib/libLLVMBOLTTargetX86.so.19.0git
1.018 [9/6/13] Creating library symlink lib/libLLVMBOLTTargetAArch64.so
1.018 [9/5/14] Creating library symlink lib/libLLVMBOLTTargetX86.so
1.019 [9/4/15] Creating library symlink lib/libLLVMBOLTTargetRISCV.so
1.026 [9/3/16] Linking CXX shared library lib/libLLVMBOLTPasses.so.19.0git
1.032 [8/3/17] Creating library symlink lib/libLLVMBOLTPasses.so
1.058 [7/3/18] Linking CXX shared library lib/libLLVMBOLTRuntimeLibs.so.19.0git
1.064 [6/3/19] Creating library symlink lib/libLLVMBOLTRuntimeLibs.so
6.552 [6/2/20] Building CXX object tools/bolt/lib/Profile/CMakeFiles/LLVMBOLTProfile.dir/YAMLProfileReader.cpp.o
6.586 [5/2/21] Linking CXX shared library lib/libLLVMBOLTProfile.so.19.0git
FAILED: lib/libLLVMBOLTProfile.so.19.0git 
: && /usr/bin/c++ -fPIC -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -fno-lifetime-dse -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-redundant-move -Wno-pessimizing-move -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  -Wl,-z,defs -Wl,-z,nodelete -fuse-ld=lld -Wl,--color-diagnostics   -Wl,--gc-sections -shared -Wl,-soname,libLLVMBOLTProfile.so.19.0git -o lib/libLLVMBOLTProfile.so.19.0git tools/bolt/lib/Profile/CMakeFiles/LLVMBOLTProfile.dir/BoltAddressTranslation.cpp.o tools/bolt/lib/Profile/CMakeFiles/LLVMBOLTProfile.dir/DataAggregator.cpp.o tools/bolt/lib/Profile/CMakeFiles/LLVMBOLTProfile.dir/DataReader.cpp.o tools/bolt/lib/Profile/CMakeFiles/LLVMBOLTProfile.dir/Heatmap.cpp.o tools/bolt/lib/Profile/CMakeFiles/LLVMBOLTProfile.dir/StaleProfileMatching.cpp.o tools/bolt/lib/Profile/CMakeFiles/LLVMBOLTProfile.dir/YAMLProfileReader.cpp.o tools/bolt/lib/Profile/CMakeFiles/LLVMBOLTProfile.dir/YAMLProfileWriter.cpp.o  -Wl,-rpath,"\$ORIGIN/../lib:/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/build/lib:"  lib/libLLVMBOLTCore.so.19.0git  lib/libLLVMBOLTUtils.so.19.0git  lib/libLLVMTransformUtils.so.19.0git  lib/libLLVMSupport.so.19.0git  -Wl,-rpath-link,/home/worker/bolt-worker2/bolt-x86_64-ubuntu-shared/build/lib && :
ld.lld: error: undefined symbol: opts::Lite
>>> referenced by YAMLProfileReader.cpp
>>>               tools/bolt/lib/Profile/CMakeFiles/LLVMBOLTProfile.dir/YAMLProfileReader.cpp.o:(llvm::bolt::YAMLProfileReader::readProfile(llvm::bolt::BinaryContext&) (.localalias))
collect2: error: ld returned 1 exit status
19.429 [5/1/22] Building CXX object tools/bolt/lib/Rewrite/CMakeFiles/LLVMBOLTRewrite.dir/RewriteInstance.cpp.o
ninja: build stopped: subcommand failed.

```

https://github.com/llvm/llvm-project/pull/95821